Chapter 46. Accreditation for Commercial Environmental LaboratoriesRead Chapter 
-  Part I.Read allGeneral Provisions
 - Section 10
 - Purpose
 - Section 15
 - Standards for accreditation transition
 - Section 20
 - Establishment of accreditation program
 - Section 30
 - Applicability
 - Section 40
 - Definitions
 - Section 50
 - Scope of accreditation
 - Section 60
 - General: accreditation requirements
 - Section 70
 - Process to apply and obtain accreditation
 - Section 80
 - Maintaining accreditation
 - Section 90
 - Notifications and changes to accreditation elements and status
 - Section 95
 - Suspension of accreditation
 - Section 100
 - Withdrawal of accreditation
 - Section 110
 - Procedures to deny or withdraw accreditation, and appeal procedures
 - Section 120
 - Information about accredited environmental laboratories
 - Section 130
 - Use of accreditation status by environmental laboratories accredited under this chapter
 - Section 140
 - Secondary accreditation
 - Section 150
 - Fees
 - Section 160
 - Petitioning for a variance
 - Section 170
 - (Reserved)
 - Section 180
 - (Reserved)
 - Section 190
 - (Reserved)
 
-  Part II.Read allStandards
 - Section 200
 - Incorporation by reference of TNI standards
 - Section 210
 - Standards for accreditation
 - Section 220
 - On-site assessment